Home / 8,627.02-12,937.34-3,078.88

Finding the Fourth Proportional to 8,627.02, 12,937.34 and 3,078.88

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Solution

The fourth proportional to 8,627.02, 12,937.34 and 3,078.88 is: 4,617.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,627.02 : 12,937.34 = 3,078.88 : x
  2. Step 2: Convert to fraction form
    8,627.02/12,937.34 = 3,078.88/x
  3. Step 3: Cross multiply
    8,627.02x = 12,937.34 × 3,078.88
  4. Step 4: Simplify right side
    8,627.02x = 39,832,517.38
  5. Step 5: Solve for x
    x = 39,832,517.38/8,627.02
  6. Step 6: Final answer
    x = 4,617.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.